package cn.ml.utils;

import com.sun.deploy.util.StringUtils;

import java.util.Random;

public class A {
    public static void main(String[] args) {
        Random random = new Random();
        int a = random.nextInt(2);
        //String year1 = String.format("%02d", year);
        String b = "202"+ a;
        if( b instanceof String){
            System.out.println("b类型为String");
        }


    }
}
